Fire-Lite ECC-50 - Page 11

Emergency Command Center Manual — P/N LS10001-000FL-E:D 9/3/2014 11
TB5- External Audio Input/
Audio Riser
SW1- Dipswitch for
BUS addressing
ON
JP5 -
isolation/ground
when powered by
source other than
main control board
J2- Connection to
main control board
P2- Microphone
connector
J1- USB connector -
connection to a PC for
downloading messages
Refer to Section 3.4.5
on page 74.
Basic System Connections - Display Board (Section 1.2.2)
disp.wmf
SW2- Distributed Audio Switch
set to UP position if any
ECC-50/125DAs are installed
in the system.
Default is the DOWN position.
JP2 - External Data
Bus termination